Global Patent Index - EP 0345972 A1

EP 0345972 A1 19891213 - Quantum-well radiation detector.

Title (en)

Quantum-well radiation detector.

Title (de)

Potentialtopf-Strahlendetektor.

Title (fr)

Détecteur de radiation à puits quantique.

Publication

EP 0345972 A1 19891213 (EN)

Application

EP 89305313 A 19890525

Priority

US 20286088 A 19880606

Abstract (en)

Electromagnetic radiation such as, in particular, infrared radiation is detected opto-electronically by means of a superlattice structure forming quantum wells (21) having a single bound state (24,) in the interest of minimizing dark-current, relatively wide barriers (22) are used between quantum wells. Resulting highly sensitive, high-speed detectors can be used in optical communications, for terrain mapping, and for infrared viewing.

IPC 1-7

H01L 27/14; H01L 31/02

IPC 8 full level

G01J 1/02 (2006.01); H01L 25/04 (2014.01); H01L 27/148 (2006.01); H01L 31/0352 (2006.01); H01L 31/09 (2006.01)

CPC (source: EP KR)

B82Y 20/00 (2013.01 - EP); H01L 25/043 (2013.01 - EP); H01L 27/14812 (2013.01 - EP); H01L 27/14868 (2013.01 - EP); H01L 27/14875 (2013.01 - EP); H01L 31/035236 (2013.01 - EP); H01L 31/09 (2013.01 - KR); H01L 2224/48463 (2013.01 - EP); H01L 2224/49107 (2013.01 - EP); H01L 2224/73265 (2013.01 - EP); H01L 2924/0002 (2013.01 - EP)

Citation (search report)

  • [X] EP 0224189 A2 19870603 - AMERICAN TELEPHONE & TELEGRAPH [US]
  • [A] US 4688068 A 19870818 - CHAFFIN ROGER J [US], et al
  • [A] US 4711857 A 19871208 - CHENG LI-JEN [US]
  • [XD] JOURNAL OF VACUUM SCIENCE AND TECHNOLOGY B, vol. 1, no. 2, April/June 1983, pages 376-378, New York, US; J.S. SMITH et al.: "A new infrared detector using electron emission from multiple quantum wells"
  • [A] APPLIED PHYSICS LETTERS, vol. 50, no. 16, 20th April 1987, pages 1092-1094, American Institute of Physiscs, New York, US; B.F. LEVINE et al.: "New 10 mum infrared detector using intersubband absorption in resonant tunneling GaA1As superlattices"
  • [A] APPLIED PHYSICS LETTERS, vol. 48, no. 15, 14th April 1986, pages 963-965, American Institute of Physics, New York, US; H. TEMKIN et al.: "GexSi1-x strained-layer superlattice waveguide photodetectors operating near 1.3 mum"
  • [XP] JOURNAL OF APPLIED PHYSICS, vol. 64, no. 3, 1st August 1988, pages 1591-1593, American Institute of Physics, New York, US; B.F. LEVINE et al.: "Bound-to-extended state absorption GaAs superlattice transport infrared detectors"
  • [XP] ELECTRONICS LETTERS, vol. 24, no. 12, 9th June 1988, pages 747-749, Stevenage, Herts, GB; B.F. Levine et al.: "GaAs/A1GaAs quantum-well, long-wavelength infra-red (LWIR) detector with a detectivity comparable to HgCdTe"

Designated contracting state (EPC)

DE ES FR GB IT NL

DOCDB simple family (publication)

EP 0345972 A1 19891213; EP 0345972 B1 19940720; CA 1314614 C 19930316; DE 68916867 D1 19940825; DE 68916867 T2 19941222; ES 2056218 T3 19941001; JP H0243777 A 19900214; JP H0766980 B2 19950719; KR 910002013 A 19910131; KR 920009918 B1 19921106

DOCDB simple family (application)

EP 89305313 A 19890525; CA 599886 A 19890517; DE 68916867 T 19890525; ES 89305313 T 19890525; JP 14503689 A 19890606; KR 890007684 A 19890605